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DWC require lower levels of nutrients compared to other methods?

I have noticed when i run dwc/hydro my grows require lower ppms than my coir grows. Its at 300 ppm by this stage in coir im usually running 400-550. Was wondering if hydro needs less nutrient than coco/coir?


Method= dwc five gallon cooler, thermostat, ice probe chiller, two large stones, 8 watt air pump
Rez temps= @ 66-68F
PH- 5.5-5.8
Light= 5 cxb3590 @ 300 watt
Strain= seedsman auto white widow
Nutrients= Fox farms...

DWC require lower levels of nutrients compared to other methods?


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